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Could a breast cancer drug improve abortion care?
NCT ID NCT07767435
First seen Aug 17, 2026 · Last updated Aug 18, 2026 · Updated 1 time
Summary
This study tests whether adding letrozole, a drug commonly used for breast cancer, to the standard medication misoprostol can improve the complete termination of second-trimester pregnancies (14-20 weeks). The trial will compare the combination against misoprostol alone in 80 women with a failed pregnancy. The main goal is to see if the combination leads to a higher rate of complete abortion, potentially making the process safer and more effective.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- letrozole combined with misoprostol
- What this could lead to
- If adding letrozole works, it could make second-trimester abortion procedures faster and more complete, reducing the need for additional surgical intervention.
- What could go wrong
- This is an early-phase trial with a small number of participants, so results may not be conclusive. Adding letrozole could also increase side effects without improving outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 45 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Pregnant women aged 18-45 years. * Failed pregnancy. * Gestational age between 14 and 20weeks, confirmed by ultrasonography on the day of admission. * Hemoglobin concentration \>9 g/dL. * Closed cervix. * Absence of products of conception in the cervical canal. \- Exclusion Criteria: * Previous attempt to terminate the current pregnancy. * Molar pregnancy (hydatidiform mole). * Pathological uterine lesions including uterine fibroids and congenital uterine malformations. * Cardiac disease. * Renal disease. * Hemorrhagic disorders. * Body mass index (BMI) \>35 kg/m². * Documented hypersensitivity or allergy to letrozole, misoprostol, or any of the study medications.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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